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Biochem WGU Questions
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Biochem WGU Questions
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25 Questions

1. Which change will likely increase the activity of an enzyme currently at optimal conditions?

2. Acetyl-CoA

3. Which molecule will act as a template in creating protein?

4. What is not a part of mRNA processing prior to translation?

5. What occurs during the process of alternative splicing of mRNA?

6. A small segment of Kevin's green opsin gene is shown below. What would be the resulting mRNA sequence?

7. DNA molecules consist of two strands twisted into a

8. How would lipid production in a cell change in order to maintain fluidity of its cell membrane as it adapts to lower temperatures?

9. What is one direct effect of inhibiting translation?

10. Significantly decrease

11. Glycogen

12. What stimulates beta-oxidation of fatty acids?

13. Which enzyme binding scenario best describes enzyme specificity and action?

14. Acetylcholine is broken down to acetate and choline by an enzyme called acetylcholinesterase. Low levels of acetylcholine in the brain is associated with neurodegenerative disease. Which of the following medications could be used to treat neurodegeneration associated with low acetylcholine levels?

15. Which type of inhibition occurs when a particular drug binds to the allosteric site of an enzyme and subsequently changes the enzyme's structure?

16. Beta oxidation

17. Which situation would most likely lead to a permanent alteration of protein function?

18. Which level of protein structure is established through the dehydration synthesis of peptide bonds?

19. Which pair of chromosomes accurately depicts the genotype of a person with an autosomal recessive mutant HBB allele and sickle cell anemia?

20. What is occurring in surrounding tissues as the amount of hemoglobin saturated with oxygen increases?

21. What is a function of cholesterol?

22. The ________ of the DNA strands pair in a consistent fashion

23. Assuming 100% reaction efficiency, how many DNA copies are created after the completion of four complete PCR cycles?

24. Proteases are a class of enzymes that hydrolyze protein strands into smaller units. A particular protease, located in the stomach, demonstrates activity at a pH = 1.

25. The gene for blue opsin protein is located on chromosome 7, a non-sex chromosome. What kind of inheritance pattern would you expect to see with color blindness due to a mutated blue opsin?

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